402222442242 has 16 divisors (see below), whose sum is σ = 804905377632. Its totient is φ = 133997398560.

The previous prime is 402222442213. The next prime is 402222442253. The reversal of 402222442242 is 242244222204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19175859 + ... + 19196822.

It is an arithmetic number, because the mean of its divisors is an integer number (50306586102).

Almost surely, 2^402222442242 is an apocalyptic number.

402222442242 is an abundant number, since it is smaller than the sum of its proper divisors (402682935390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402222442242 is a wasteful number, since it uses less digits than its factorization.

402222442242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38374433.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 402222442242 its reverse (242244222204), we get a palindrome (644466664446).

The spelling of 402222442242 in words is "four hundred two billion, two hundred twenty-two million, four hundred forty-two thousand, two hundred forty-two".